Genuine OEM Volkswagen Roof Wiring Harness, part number 5H0971100J. This critical electrical component supplies power and data connections to various systems and accessories integrated into the vehicle's roof structure. It ensures reliable communication and functionality for roof-mounted components. Weighing 0.14 kg, this harness is engineered with precise lengths and connectors. Using a genuine OEM wiring harness guarantees correct pinouts, insulation integrity, and compatibility with the vehicle's complex electrical architecture, preventing potential faults and ensuring system reliability.